[Amps] Most power ever run on amateur radio :-)

Carl km1h at jeremy.mv.com
Sun Dec 23 09:46:04 EST 2012


The Eimac anodes were the same tantalum as developed by H&K in the eary 30's 
and bought by Eimac. Those tubes ran commercial service at a bright orange. 
Look at some photos of the various TH and TL suffix tubes such as the 304TL.

Carl
KM1H


----- Original Message ----- 
From: "Gary Smith" <Gary at ka1j.com>
To: <Amps at contesting.com>
Sent: Saturday, December 22, 2012 12:12 PM
Subject: Re: [Amps] Most power ever run on amateur radio :-)


> In relation to Tom's recollection of that 4-1000 amp, I remember the
> first time I saw someone using a tube with more than the spec sheet
> values on the tubes. In this case it was a friend who had a homebrew
> amp with two 3-500Z and a really large pole pig transformer. He also
> varied one leg of it with a space station sized variac. He kept
> pushing the voltage higher till it was over the 6KV, I don't recall
> the final KV, I was looking at the tubes & Bird. The tubes were white
> hot and the bird was at 3KW when the output dropped like a stone.
> Turned out the solder had melted from the pins on one of the 3-500Zs.
>
> Nothing like the output from the large amps but I was amazed the
> anodes didn't melt they were so white hot.
>
> Gary
> KA1J
>
>> I was doing a Multi with a station who had a 4-1000 amp.
>>
>> There was a station on 40 that we were trying to get and he kept
>> turning the steering wheel on the power supply up and calling him.  We
>> finally worked the station when the watt meter was bouncing on 3000
>> watts :-)  That was about the best I've seen.  73 Tom W7WHY
>>
>> WJ2W wrote:
>>
>> >
>> >Does anyone know what the record is for the most watts ever run on
>> >amateur radio? Transmitted watts, not ERP. Just curious about the
>> >number. No callsigns needed. Thanks. ~Jordan WJ2W
>
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